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The available evidence for receptor-receptor interactions between adenosine A(2A), dopamine D(2), cannabinoid CB(1), and metabotropic glutamate mGlu(5) receptors (A(2A), D(2), CB(1), and mGlu(5), respectively) is revised under the "receptor mosaic" perspective. Furthermore, the concept of "hub receptor" is defined in accordance with informatics and it is(More)
A case of type I Arnold-Chiari malformation, with onset of diplopia, without associated medullar alteration, is presented. The symptomatology remained unique and had transitory presentation for many years with negative ophthalmic examinations. Attention is drawn to the great variability of the syndrome's presenting symptoms confirming the importance of MR(More)
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